Move utility functions to utils file

Summary: Move utility functions to utils file

Reviewed By: emilsjolander

Differential Revision: D6682933

fbshipit-source-id: 0fd90fdaf5ca4f9b7a11cbd15d8c54c7d0ce8a03

yoga/Utils.cpp

@@ -0,0 +1,23 @@
+/**
+ * Copyright (c) 2014-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+#include "Utils.h"
+
+bool YGValueEqual(const YGValue a, const YGValue b) {
+  if (a.unit != b.unit) {
+    return false;
+  }
+
+  if (a.unit == YGUnitUndefined ||
+      (std::isnan(a.value) && std::isnan(b.value))) {
+    return true;
+  }
+
+  return fabs(a.value - b.value) < 0.0001f;
+}

yoga/Utils.h

@@ -0,0 +1,17 @@
+/**
+ * Copyright (c) 2014-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+#include "Yoga-internal.h"
+
+inline bool YGFlexDirectionIsRow(const YGFlexDirection flexDirection) {
+  return flexDirection == YGFlexDirectionRow ||
+      flexDirection == YGFlexDirectionRowReverse;
+}
+
+bool YGValueEqual(const YGValue a, const YGValue b);

yoga/YGNode.cpp

@@ -9,6 +9,7 @@
 
 #include "YGNode.h"
 #include <iostream>
+#include "Utils.h"
 
 void* YGNode::getContext() const {
   return context_;

yoga/Yoga.cpp

@@ -10,6 +10,7 @@
 #include "Yoga.h"
 #include <string.h>
 #include <algorithm>
+#include "Utils.h"
 #include "YGNode.h"
 #include "YGNodePrint.h"
 #include "Yoga-internal.h"
@@ -749,19 +750,6 @@ bool YGLayoutNodeInternal(const YGNodeRef node,
                           const char *reason,
                           const YGConfigRef config);
 
-bool YGValueEqual(const YGValue a, const YGValue b) {
-  if (a.unit != b.unit) {
-    return false;
-  }
-
-  if (a.unit == YGUnitUndefined ||
-      (std::isnan(a.value) && std::isnan(b.value))) {
-    return true;
-  }
-
-  return fabs(a.value - b.value) < 0.0001f;
-}
-
 bool YGFloatsEqual(const float a, const float b) {
   if (YGFloatIsUndefined(a)) {
     return YGFloatIsUndefined(b);
@@ -794,10 +782,6 @@ static const std::array<YGEdge, 4> pos = {{
 static const std::array<YGDimension, 4> dim = {
     {YGDimensionHeight, YGDimensionHeight, YGDimensionWidth, YGDimensionWidth}};
 
-bool YGFlexDirectionIsRow(const YGFlexDirection flexDirection) {
-  return flexDirection == YGFlexDirectionRow || flexDirection == YGFlexDirectionRowReverse;
-}
-
 static inline bool YGFlexDirectionIsColumn(const YGFlexDirection flexDirection) {
   return flexDirection == YGFlexDirectionColumn || flexDirection == YGFlexDirectionColumnReverse;
 }